发明名称 |
SOURCE ELECTRODE DRIVING MODULE AND LCD PANEL |
摘要 |
The present invention discloses a source electrode driving module for providing a data signal to an LCD unit, comprising: a Gamma correction chip and a source electrode driving chip, wherein, the Gamma correction chip comprises a P-GAMMA driving chip with three to eight output channels; the P-GAMMA driving chip is used for generating multiple control voltages providing to the source electrode driving chip; the source electrode driving chip comprises a first resistor string and a second resistor string; the multiple control voltages generated by the P-GAMMA driving chip connect into the first resistor string and the second resistor string according to turning points of a Gamma curve of the LCD unit, wherein, n is an integer, and 6≦n≦10. The present also disclose an LCD panel including the source electrode driving module described above. |
申请公布号 |
US2015279300(A1) |
申请公布日期 |
2015.10.01 |
申请号 |
US201414357214 |
申请日期 |
2014.03.27 |
申请人 |
SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD |
发明人 |
Zhu Jiang;Guo Dongsheng |
分类号 |
G09G3/36;G09G3/20 |
主分类号 |
G09G3/36 |
代理机构 |
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代理人 |
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主权项 |
1. A source electrode driving module for providing a data signal to a liquid crystal display (LCD) unit, comprising: a Gamma correction chip and a source electrode driving chip, wherein,
the Gamma correction chip comprises a P-GAMMA driving chip with three to eight output channels; the P-GAMMA driving chip is used for generating multiple control voltages providing to the source electrode driving chip; the source electrode driving chip comprises a first resistor string and a second resistor string; the first resistor string and the second resistor string are respectively formed by 2n resistors connected in series; the first resistor string receives a portion of the control voltages generated by the P-GAMMA driving chip, and through voltage dividing to form 2n data signal voltages with positive polarity; the second resistor string receives the other portion of the control voltages generated by the P-GAMMA driving chip, and through voltage dividing to form 2n data signal voltages with negative polarity; and the multiple control voltages generated by the P-GAMMA driving chip connect into the first resistor string and the second resistor string according to turning points of a Gamma curve of the LCD unit, wherein, n is an integer, and 6≦n≦10. |
地址 |
Shaenzhen, Guangdong CN |